zfsonlinux/zfs — pull request #2981 by behlendorf (2014-12-20 00:51:27+00:00)
Title: zvol open/release error handling

The following two patches were proposed in issue #1343 but never reviewed or merged. I'm opening a pull request with them to ensure they're not misplaced again. They're both modest changes but they need to be looked at carefully again.